Question # 1

If you are looking a bird in the tree from the ground then the angle formed is called angle of______;

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Elevation

Depression

Right angle

None of these

Vector i =

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[1,0]

[0,1,0]

[0,0,1]

None of these

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0

1

2

A conjunction of two statement p and q is true only if

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p is true

q is true

Both p and q are true

both p and q are false

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tan 3x + c

cot 3x + c

- cot 3x + c

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The surface generated by lines, consists of two parts, called:

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vertex

apex

nappes

axis

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The sample space for tossing a coin twice is

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{H, T}

{HH, HT, TH, TT}

{H, T, HH}

{HH, HT, TT}

Which of the following has the same value as i113

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i

-1

-i

1

A = B iff

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All elements of A also the elements of B

A and B should be singleton

A and B have the same number of elements

If both have the same element

The straight line passing through the focus and perpendicular to the directrix of the conic is known as its

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Tangent

axis

Focal chord

major or manor axis

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0

Independent of a

Independent of b

Independent of c

In one hour, the hour hand of a clock turns through

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If x,y are two positive distinct numbers then

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A>G>H

A<G<H

A=G=H

None of these

How many signals can be given by 5 flags of different colours, using 3 flags at a time

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120

60

24

15

If 3x4 +4x3+x5is divided by x+1 , which of the following is the remainder

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7

-2

6

1

If f(x) = x + 1 then f(z²-1) is

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z²

z²+ 2

z²- 2

none of these

In a class of 100 students, 60 drink tea, 50 drink coffee and 30 drink both. A student from his class is selected at takes at last one of 2 drinks is

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2 / 5

3 / 5

4 / 5

None of these

y=-a is the equation of the directrix of

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y2 =4ax

x2=-4ay

x2=4ay

y2=-4ax

Period of cosec x is ______

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For a square matrix A, if A = A^t, then A is called

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matrix

Transpose

Symmetric

Non-symmetric

How many numbers are there between 103 and 750 which are divisible by 6

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125

107

108

113

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Null matrix

Triangular matrix

Unit matrix

Rectangular matrix

The set of complex numbers forms

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Commutative group w.r.t addition

Commutative group w.r.t multiplication

Commutative group w.r.t division

Non commutative group w.r.t addition

System of linear equation is inconsistent if

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System has no solution

System has one solution

System has two solution

None of above

The tangents drawn from the point P to a circle are real and coincident if

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P is on the circle

P is inside the circle

P is outside the circle

none of these

The upper 3/4 the portion of a vertical pole subtends an angle tan^-13/5 at a point in the horizontal plane through its foot and at a distance 40 m from the foot. A possible height of the vertical pole is

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20 m

40 m

60 m

80 m

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15

15 i

-15 i

-15

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